diff options
Diffstat (limited to 'window.h')
| -rw-r--r-- | window.h | 18 |
1 files changed, 17 insertions, 1 deletions
@@ -23,7 +23,8 @@ void window_draw(Win*); /* flush all changes made to the ncurses windows to the screen */ void window_update(Win*); -/* cursor movements, also updates selection if one is active, returns new cursor postion */ +/* cursor movements which also update selection if one is active. + * they return new cursor postion */ size_t window_page_down(Win*); size_t window_page_up(Win*); size_t window_char_next(Win*); @@ -31,17 +32,32 @@ size_t window_char_prev(Win*); size_t window_line_down(Win*); size_t window_line_up(Win*); +/* get cursor position in bytes from start of the file */ size_t window_cursor_get(Win*); +/* get cursor position in terms of screen coordinates */ void window_cursor_getxy(Win*, size_t *lineno, size_t *col); +/* moves window viewport in direction until pos is visible. should only be + * used for short distances between current cursor position and destination */ void window_scroll_to(Win*, size_t pos); +/* move cursor to a given position. changes the viewport to make sure that + * position is visible. if the position is in the middle of a line, try to + * adjust the viewport in such a way that the whole line is displayed */ void window_cursor_to(Win*, size_t pos); +/* start selected area at current cursor position. further cursor movements will + * affect the selected region. */ void window_selection_start(Win*); void window_selection_end(Win*); +/* returns the currently selected text region, is either empty or well defined, + * i.e. sel.start <= sel.end */ Filerange window_selection_get(Win*); +/* clear selection and redraw window */ void window_selection_clear(Win*); +/* get the currently displayed area in bytes from the start of the file */ Filerange window_viewport_get(Win*); +/* associate a set of syntax highlighting rules to this window. */ void window_syntax_set(Win*, Syntax*); Syntax *window_syntax_get(Win*); +/* register a user defined function which will be called whenever the cursor has moved */ void window_cursor_watch(Win *win, void (*cursor_moved)(Win*, void*), void *data); #endif |